The following patch still needs a libiberty maintainer's review. (it has been reviewed viz-a-viz Darwin).
http://gcc.gnu.org/ml/gcc-patches/2011-10/msg01622.html
The following patch still needs a libiberty maintainer's review. (it has been reviewed viz-a-viz Darwin).
http://gcc.gnu.org/ml/gcc-patches/2011-10/msg01622.html